[" Which of the following expressions are "],[" meaningful? "],[[vec u*(vec v timesvec w),(vec u*vec v)*vec w],[[],(vec u*vec v)vec w]],[[vec u times(vec v*vec w)]

Which of the following expressions are meaningful? vec u*(vec v xxvec w) b.(vec u*vec v)*vec w c.(vec u*vec v)*vec w d.vec u xx(vec v.vec w)

Which of the following expressions are meaningful? vec u.( vec vxx vec w) b. ( vec u. vec v). vec w c. ( vec u. vec v). vec w d. vec uxx( vec v. vec w)

Which of the following expressions are meaningful? a. vec u ( vec vxx vec w) b. ( vec u .vec v).vec w c. ( vec u . vec v)vec w d. vec uxx( vec v . vec w)

Which of the following expressions are meaningful? a. vec u.(vec vxx vec w) b. vec u. vec v. vec w c. ( vec u vec v). vec w d. vec uxx( vec v. vec w)

Which of the following expressions are meaningful? a. vec u.(vec vxx vec w) b. vec u. vec v. vec w c. ( vec u vec v). vec w d. vec uxx( vec v. vec w)

For three vectors vec u,vec v and vec w which of the following expressions is not equal to any of the remaining three ? a.vec uvec v xxvec w b.(vec v xxvec w)vec u c.vec vvec u xxvec w d.(vec u xxvec v)vec w

For three vectors vec u , vec va n d vec w which of the following expressions is not equal to any of the remaining three ? a. vec u .( vec vxx vec w) b. ( vec vxx vec w). vec u c. vec v.( vec uxx vec w) d. ( vec uxx vec v).vec w

For three vectors vec u , vec va n d vec w which of the following expressions is not equal to any of the remaining three ? a. vec udot( vec vxx vec w) b. ( vec vxx vec w)dot vec u c. vec vdot( vec uxx vec w) d. ( vec uxx vec v)dot vec w

For three vectors vec u , vec va n d vec w which of the following expressions is not equal to any of the remaining three ? a. vec udot( vec vxx vec w) b. ( vec vxx vec w)dot vec u c. vec vdot( vec uxx vec w) d. ( vec uxx vec v)dot vec w

If vec u , vec v and vec w are three non-coplanar vectors, then prove that ( vec u+ vec v- vec w) . [ [( vec u- vec v)xx( vec v- vec w)]]= vec u . (vec v xx vec w)